Storm Station
Sign in

Paoli, Pennsylvania

Community in Chester County, Pennsylvania

Air quality

The air at Paoli

Index 51, moderate, led by fine particles. Read at 2 PM from its reporting area, Philadelphia (PA), 19 miles off.

51Moderate
  • Fine particles (PM2.5)51Moderate10.8 mi
  • Ozone20Good19 ppb10.8 mi
  • Coarse particles (PM10)11Good21.1 mi
  • Nitrogen dioxide9Good10.9 ppb15.4 mi
  • Sulfur dioxide1Good1 ppb18 mi
  • Carbon monoxide-0.6 ppm15.4 mi

The days ahead

Good each day through Tue Oct 20, led by fine particles. Yesterday measured 29, good.

Smoke, the next 43 hours

Little smoke near the ground through Sun 8 AM: the index from smoke stays at 6 or under.

FriSatSun

Precipitation

What has fallen at Paoli

None in the last 24 hours; 0.02 in over the last 3 days, to Fri 1 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.02in

Visibility

How far you can see at Paoli, the next 43 hours

Visibility stays 3 miles or more through Sun 8 AM, lowest 3 miles Fri 7 PM.

FriSatSun

On the radar over Paoli, PennsylvaniaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 7 instruments nearest Paoli, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.0 miles away.

measured now5 instruments

Avondale 2 N03761

At a climate reference station/20.3 mi away/400 ft/147 ft below here

temp, humidity, wind, solar, precip

Rank759of 1,383

measured daily2 instruments

Malvern 1.2 SPA-CH-31

In a volunteer observer's own ground/2.0 mi away/461 ft/86 ft below here

precip, snowfall, snow depth

Rank-

PhoenixvillePHXP1

At a cooperative observer's station/5.3 mi away/154 ft/393 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at West Chester, drawn

The nearest airport reporting now, 6.0 mi from Paoli, Pennsylvania. From its report of Oct 16, 2026, 2:15 PM local time: 3 of its 6 sheets.

The sky

Overcast at 700 ft; the ceiling is 700 ft; visibility 10 mi or more.

Section of the sky over West Chester, height above the station to scale: overcast cloud with its base at 700 feet, the ceiling at 700 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT OQNFIG. A THE SKY OVER WEST CHESTERSECTION, HEIGHT ABOVE THE STATION TO SCALE, EACH LAYER AT THE HEIGHT OF ITS BASE AS REPORTED; COVER IN EIGHTHS OF THE SKY; TOPS NOT MEASUREDFT ABOVE THE STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 700 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 700 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEWest Chester, the skySTATION REPORT · ASOS OQNTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-OQN-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

69.8 F with a dew point of 64.4 F, 83 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,300 ft up; the lowest cloud reported is at 700 ft.

Chart of the air at West Chester: temperature 69.8 degrees Fahrenheit and dew point 64.4, 83 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,300 feet above the station, against the lowest cloud reported at 700 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT OQNFIG. B THE AIR AT WEST CHESTERTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00050 F60 F70 F80 FSATURATES 1,300 FT ABOVE THE STATION, AT 63.1 FLOWEST CLOUD REPORTED, OVC 700 FTTEMPERATURE 69.8 FDEW POINT 64.4 FSPREAD 5.4 FRELATIVE HUMIDITY 83 PER CENTTHE AIR COOLS ABOUT 5.4 F EACH 1,000 FT IT RISES, AND ITS DEW POINT ABOUT 1 FSOLID: THE LIFTED AIR'S TEMPERATURE; DASHED: ITS DEW POINTTITLEWest Chester, the airSTATION REPORT · ASOS OQNTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-OQN-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southwest (220 degrees) at 12 mph, gusting 16 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 17 mph.

Plan of the wind at West Chester, north up: blowing from 220 degrees, the southwest, at 12 miles an hour, gusting 16; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT OQNFIG. C THE WIND AT WEST CHESTERPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 220°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 12 MPH4MODERATE BREEZE13GUST, 16 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEWest Chester, the windSTATION REPORT · ASOS OQNTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-OQN-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of West Chester, in 6 sheets, each beside the Field Book plates that explain it

-

Snow on the ground

Elsewhere in Pennsylvania

24 places, each with its own forecast and its own instruments.

Near Paoli

The nearest places, each with its own forecast and the instruments nearest it.

Near Paoli

River and lake gauges